Replacement Filter for H2O 4 CPAP Mini EZ Distilled Water Filtration System

This replacement filter cartridge is for the EZ Distilled H2O 4 CPAP Mini Water Filtration System. It eliminates calcium, manganese, and other impurities from tap water, ensuring distilled water suitable for your CPAP or BiPAP humidifier.

*Each cartridge lasts around 30 days and yields about 3.25 gallons of ion-distilled water.